Ethanol Production From Cassava Wastes (Pulp And Peel) Using Alcohol Tolerant Yeast Isolated From Palm Wine | Zendy

E. J. Archibong | Zendy; Ifeanyi Emmanuel Obika | Zendy; Onyedika I. Okafor | Zendy; Uchechi-Ben Okafor | Zendy; C S Ezewuzie | Zendy; Chinyere Constance Ezemba | Zendy; N C Awah | Zendy; Benedict C. Okeke | Zendy; Chikodili Gladys Anaukwu | Zendy; V. N. Anakwenze | Zendy

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Ethanol Production From Cassava Wastes (Pulp And Peel) Using Alcohol Tolerant Yeast Isolated From Palm Wine

Author(s) -

E. J. Archibong,

Ifeanyi Emmanuel Obika,

Onyedika I. Okafor,

Uchechi-Ben Okafor,

C S Ezewuzie,

Chinyere Constance Ezemba,

N C Awah,

Benedict C. Okeke,

Chikodili Gladys Anaukwu,

V. N. Anakwenze

Publication year - 2016

Publication title -

american journal of life science researches

Language(s) - English

Resource type - Journals

eISSN - 2375-7485

pISSN - 2332-0206

DOI - 10.21859/ajlsr-040305

Subject(s) - fermentation , pulp (tooth) , ethanol fuel , ethanol , food science , chemistry , wine , starch , amylase , ethanol fermentation , alcohol , yeast , hydrolysis , alpha amylase , banana peel , enzyme , biochemistry , medicine , pathology

The efficient ethanol production using Saccharomyces spp. isolated from palm wine in utilizing industrial wastes (cassava pulp and peel) was studied in the liquid state fermentation process. Methods: The percentage alcohol in the cassava pulp and peel was obtained by digesting the cassava waste with three different commercial exogenous enzymes which include alpha amylase (Termamyl), Amyloglucosidase (AMG), β-glucanase t a-amylase (Cereflo) and fermenting with yeast ( Saccharomyces spp.) isolated from palm wine. The combination of two enzymes in starch hydrolysis produced more sugars than individual enzyme usage and also yielded more of ethanol when compared to a single enzyme activity. It was also observed that AMG combined with Termamyl yielded 2.05% ethanol. Cereflo combined with Termamyl yielded 1.6% ethanol while Tennamyl alone yielded 1.26% ethanol from cassava pulp. However, it was also observed that AMG combined with Termamyl yielded 0.46% ethanol, Cereflo combined with Termamyl yielded 0.73% ethanol while Termamyl alone yielded 0.33% ethanol from cassava peel. Results: This implies that ethanol produced from cassava pulp is higher than ethanol produced from cassava peel, since the cassava pulp contains high starch than the peel. Conclusions: These digestions using these enzymes and subsequent ethanol production can go a long way in waste management for economic purposes.

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